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Amazon.com : Japanese Katana Samurai Sword New 2022-37.8 inch Length Katana - 26" Carbon Steel Blade Katanas - Zoro Swords - Souvenir - Fake Black Ninja Katana - Best Gift for Men
![Katana swords A and B (right), grinding structure of the cutting edges... | Download Scientific Diagram Katana swords A and B (right), grinding structure of the cutting edges... | Download Scientific Diagram](https://www.researchgate.net/publication/342909197/figure/fig1/AS:960122499133452@1605922450909/Katana-swords-A-and-B-right-grinding-structure-of-the-cutting-edges-of-the-blades.png)
Katana swords A and B (right), grinding structure of the cutting edges... | Download Scientific Diagram
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